Bearing retainer unit and electric motor furnished therewith

Details Bearing retainer unit and electric motor furnished therewith Bearing retainer unit and electric motor furnished therewith

2006-09-15

2010-11-23

Ridley, Richard W (Department: 3656)

Bearings

Rotary bearing

Antifriction bearing

C384S510000, C384S520000, C384S535000, C249S063000, C249S064000, C264S318000, C425S577000, C415S229000

Reexamination Certificate

active

07837391

ABSTRACT:
A bearing retainer unit is formed by an insert-molding technique to cast a molded component of the bearing retainer unit utilizing a bearing bushing. A first mold die, having a circumferential surface shaped to correspond to at least a portion of the inner circumferential surface of a bearing-positioning portion of the molded component, and a second mold die, having an abutment that abuts against an axial end face of the first die, are readied. A molten material is then injected into the mold to form the molded part, thereby forming the die-parting line on the inner circumferential surface of the component's bearing positioning portion, positioned at the radially outer side of the abutment.

REFERENCES:
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patent: 7484931 (2009-02-01), Ku et al.
patent: 2002/0061145 (2002-05-01), Kobayashi et al.
patent: 2003/0160530 (2003-08-01), Horng et al.
patent: 2006/0013686 (2006-01-01), Ku et al.

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